Methods for treating the prostate and inhibiting obstruction of the prostatic urethra using biodegradable stents

a biodegradable, prostate-specific technology, applied in the direction of prosthesis, catheters, blood vessels, etc., can solve the problems of tissue along the insertion path and/or treatment area to experience additional irritation, expand or swell the ablated tissue, and create undesirable and unduly limited opening siz
US6682555B2Inactive Publication Date: 2004-01-27JPMORGAN CHASE BANK AS ADMINISTATIVE AGENT
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Patents(United States)
Current Assignee / Owner
JPMORGAN CHASE BANK AS ADMINISTATIVE AGENT
Publication Date
2004-01-27
Estimated Expiration
Not applicable · inactive patent

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Abstract

Methods of treating the prostate include administering a thermal ablation therapy and inhibiting the obstruction or closure of the prostatic urethral opening by forming a biodegradable stent in situ in the subject such that the stent attaches to the walls of the prostatic urethra. A related method of treating BPH includes thermally treating or ablating localized tissue in the prostate with a treatment catheter and inserting flowable stent material via the treatment catheter into the prostate (either before, during, or after the thermal treatment), forming the flowable stent material so that it defines a stent that remains in position after removal of the treatment catheter to inhibit the closure of the urinary passage. Associated stents and catheters are included.
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Description

The present invention relates to methods for treating the prostate and / or prostatic urethral stents configured for use after thermal ablation treatments.Conventionally, several types of thermal treatment systems have been proposed to treat certain pathologic conditions of the body by heating or thermally ablating targeted tissue. These thermal treatment systems have used various heating sources to generate the heat necessary to treat or ablate the targeted tissue. For example, laser, microwave, ultrasound, and radio-frequency (RF) energy sources have been proposed to produce the heat that is then directed to the targeted tissue in or around the selected body cavity. These types of thermal treatment systems have been used to thermally ablate the prostate (as well as other organs, body cavities, and / or natural lumens).One particularly successful thermal ablation system thermally ablates the prostate by a thermocoagulation process. This thermal ablation system employs a closed loop liq...

Claims

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